Home / 31,044.66-42,841.22-16,897.47

Finding the Fourth Proportional to 31,044.66, 42,841.22 and 16,897.47

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Solution

The fourth proportional to 31,044.66, 42,841.22 and 16,897.47 is: 23,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,044.66 : 42,841.22 = 16,897.47 : x
  2. Step 2: Convert to fraction form
    31,044.66/42,841.22 = 16,897.47/x
  3. Step 3: Cross multiply
    31,044.66x = 42,841.22 × 16,897.47
  4. Step 4: Simplify right side
    31,044.66x = 723,908,145.23
  5. Step 5: Solve for x
    x = 723,908,145.23/31,044.66
  6. Step 6: Final answer
    x = 23,318.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.